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3 years ago

11

Please help, thanks!

1 answer:

Varvara68 [4.7K]3 years ago

4 0

Answer:

(1+2x) + (29+x) =180°

=1+2x+29+x=180°

3x+30=180°

3x=180-30

x= 150/3

x=50

the value of x is 50

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